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A water pressure supply control device and test method for hydraulic fracturing experiments

A hydraulic fracturing and control device technology, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., can solve the problem of high equipment cost, and achieve simple operation, simple connection and operation, and detailed records Effect

Active Publication Date: 2018-04-20
SHANDONG UNIV
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Problems solved by technology

[0004] The object of the present invention is to provide a hydraulic pressure supply control device and its test method for hydraulic fracturing experiments. The problem of high cost of fracturing experiment equipment

Method used

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  • A water pressure supply control device and test method for hydraulic fracturing experiments
  • A water pressure supply control device and test method for hydraulic fracturing experiments
  • A water pressure supply control device and test method for hydraulic fracturing experiments

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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0032] Such as Figure 1-Figure 3 As shown, the preferred embodiment of the water pressure supply and control device includes a water tank 1 , an air compressor 2 , a diaphragm pump 3 , a booster pump 4 , an intelligent instrument 5 , a high-pressure conduit 6 , and a water-conducting steel backing plate 7 . The water tank 1 is connected to the main body of the equipment to provide fracturing fluid such as water. The air compressor 2 is outside the main body of the equipment and is the air source device of the system. The diaphragm pump 3 and the booster pump 4 are located inside the main body of the equipment. The smart meter 5 is in the On the surface of the equipment, the high-pressure conduit 6 connects each equipment, ...

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Abstract

The invention relates to a hydraulic pressure supply control device used for hydraulic fracturing experiments, and an experiment method thereof. The hydraulic pressure supply control device comprises a diaphragm pump, a booster pump, and a water diversion steel cushion; the inlet end of the diaphragm pump is communicated with a water source pipeline; the outlet end of the diaphragm pump is communicated with a outlet end pipeline of the booster pump, and another outlet of the outlet end of the booster pump is communicated with a water diversion channel pipeline of the water diversion steel cushion via a high pressure pipeline; the water diversion steel cushion is detachably arranged on the surface of a test piece in a press machine; the booster pump is used for delivering high pressure liquid obtained via pressure increasing into the test piece via a water diversion channel. Operation of the hydraulic pressure supply control device is simple; continuous, stable, and accurate providing and recording of water pressure can be realized in a large pressure range. In hydraulic fracturing experiments, the hydraulic pressure supply control device can be connected with a single-shaft, a double-shaft, or a three-shaft press machine for test piece hydraulic fracturing; equipment connection and operation are simple; water pressure supply is stable; pressure value can be automatically controlled; detailed recording of pressure value and pressure change is realized; and experiment effect is excellent.

Description

technical field [0001] The invention relates to a water pressure supply control device and a test method for hydraulic fracturing experiments. Background technique [0002] Hydraulic fracturing is an emerging technology developed in recent decades. Its essence is to use the characteristics of fluid pressure transmission to inject fluid into porous media, so as to promote the formation of fractures and expand in a certain direction. Since hydraulic fracturing was adopted in the petroleum industry, it has played an important role in the exploration and development of oil and gas fields. Since the first hydraulic fracturing in the United States in 1947, great progress has been made both at home and abroad from theoretical research to field practice. The hydraulic fracturing laboratory simulation test is an important means to intuitively understand the crack initiation and extension, and to explore the crack initiation and propagation mechanism. It is of great significance to b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/02G01N3/12
CPCG01N3/02G01N3/12G01N2203/0019G01N2203/0048G01N2203/0067G01N2203/0202
Inventor 张波刘纪阳李术才李海燕张敦福杨为民王琦杨磊李邦翔刘刚张运鸿唐鹏越王新胡玉庆
Owner SHANDONG UNIV
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